---
product_id: 459507388
title: "364 SR621SW Battery 1.55V Silver Oxide Watch Button Cell - Replaces Sony 364 (2 Batteries)"
brand: "murata"
price: "$6.09"
currency: USD
in_stock: true
reviews_count: 8
category: "Murata"
url: https://www.desertcart.us/products/459507388-364-sr621sw-battery-1-55v-silver-oxide-watch-button-cell
store_origin: US
region: United States of America
---

# 1.55V Silver Oxide Power -10°C to 60°C Operating Range Made in Japan Quality 364 SR621SW Battery 1.55V Silver Oxide Watch Button Cell - Replaces Sony 364 (2 Batteries)

**Brand:** murata
**Price:** $6.09
**Availability:** ✅ In Stock

## Summary

> 🔋 Power your essentials with precision and reliability — don’t get left powerless!

## Quick Answers

- **What is this?** 364 SR621SW Battery 1.55V Silver Oxide Watch Button Cell - Replaces Sony 364 (2 Batteries) by murata
- **How much does it cost?** $6.09 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/459507388-364-sr621sw-battery-1-55v-silver-oxide-watch-button-cell)

## Best For

- murata enthusiasts

## Why This Product

- Trusted murata brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Eco-Conscious Choice:** 0% mercury and RoHS compliant for guilt-free power
- • **Reliable Power Boost:** 18mAh capacity ensures your devices stay energized longer
- • **All-Weather Performance:** Operates flawlessly from chilly -10°C to warm 60°C environments
- • **Versatile Compatibility:** Perfect fit for watches, keyfobs, medical devices, and more
- • **Trusted Japanese Craftsmanship:** Backed by 40+ years of Murata’s precision battery technology

## Overview

The Murata 364 SR621SW is a premium 1.55V silver oxide button cell battery with an 18mAh capacity, designed for reliable, long-lasting performance in a wide range of personal devices. Made in Japan with eco-friendly materials, it operates efficiently across a broad temperature range (-10°C to 60°C), making it the go-to replacement for Sony 364 batteries and more.

## Description

40+ years of technology development and manufacturing expertise. 364 SR621SW batteries are the perfect long lasting replacement for all your personal devices including keyfobs, blood sugar monitors, remote controls, digital thermometers, toys, calculators and more. Operating temperature: -10°C to +60°C (standard). Nominal Capacity: 18mAh

Review: They're batteries and they worked - Their batteries, they worked.What more can I say
Review: It is Sony batteries - The Sony batteries was merged with Murata. I had a hard time finding the old Sony battery I had on my watch and I got to know they have changed the name. Great quality for sure

## Features

- 364 SR621SW 1.55V Silver Oxide Button Cell Watch Battery, 18mAh
- Continuing the long tradition of Japanese quality micro batteries with high performance and reliability
- For use in popular devices such as remotes, car keyfobs, medical devices, and wearables
- -10℃ to 60℃ Operating Temperature & excellent self-discharge performance
- Made in Japan, 0% Mercury. RoHS Compliant

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN  | B0B876V5CZ |
| Batteries  | 2 Product Specific batteries required. (included) |
| Best Sellers Rank | #142,936 in Health & Household ( See Top 100 in Health & Household ) #749 in Coin & Button Cell Batteries |
| Customer Reviews | 4.7 4.7 out of 5 stars (196) |
| Date First Available  | May 8, 2020 |
| Manufacturer  | Murata |

## Product Details

- **Battery Capacity:** 18 Milliamp Hours
- **Battery Cell Composition:** Silver Oxide
- **Brand:** Murata
- **Number of Batteries:** 2 Product Specific batteries required. (included)
- **Recommended Uses For Product:** Watch

## Images

![364 SR621SW Battery 1.55V Silver Oxide Watch Button Cell - Replaces Sony 364 (2 Batteries) - Image 1](https://m.media-amazon.com/images/I/51rX6+WvhVL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ They're batteries and they worked
*by R***F on January 24, 2026*

Their batteries, they worked.What more can I say

### ⭐⭐⭐⭐⭐ It is Sony batteries
*by M***A on February 5, 2026*

The Sony batteries was merged with Murata. I had a hard time finding the old Sony battery I had on my watch and I got to know they have changed the name. Great quality for sure

### ⭐⭐⭐⭐⭐ Fast Delivery; Works Great
*by N***R on February 3, 2026*

Works as promised. Fast delivery.

## Frequently Bought Together

- Murata 364 SR621SW Battery 1.55V Silver Oxide Watch Button Cell - Replaces Sony 364 (2 Batteries)
- Maxell 377 SR626SW 1.55 Volt Silver Oxide Watch Batteries Factory Hologram (4 Batteries)
- Renata 371 SR920SW Batteries - 1.55V Silver Oxide 371 Watch Battery (2 Count)

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**Shop now:** [https://www.desertcart.us/products/459507388-364-sr621sw-battery-1-55v-silver-oxide-watch-button-cell](https://www.desertcart.us/products/459507388-364-sr621sw-battery-1-55v-silver-oxide-watch-button-cell)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-26*